There are 1 owner-reported speed control & cruise complaints for the 2019 Porsche Cayennein NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The adaptive cruise control has failed 4 times. As a significant driver in terms of miles driven, the lack of cruise control increases my fatigue and jeopardize the safety of all. Porsche dealer in St Louis explained there it’s not known fx
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026